When I know my close friends or family are traveling, I will sometimes ask them to bring back a rock for me. I have a grey one from Mars Hill where Paul preached, a tiny black one from where William Wallace died, a whole jar full of them…but there is one in particular that has had a long lasting impact on me. It is a rather heavy, beige pumice stone that fits perfectly in my hand. I have used it almost every day for the last 17 years. My brother bought it for me while on